Thomas A. Carlson, David A. Michelson and Tobias Scheunchen, (eds.), "Tigris — ܕܩܠܬ " in The Beth Qaṭraye Gazetteer last modified January 10, 2020, https://bqgazetteer.bethmardutho.org/place/202
    
        
            
                
                    Tigris
                    ܕܩܠܬ
                    ܕܶܩܠܰܬ
                    دجلة
                    Dijla
                    The eastern major
                        river of Mesopotamia, flowing from SE Turkey to the gulf.
                     
                        واكثر مياههم ماء دجلة والفرات والزاب والنهروانات
                            ومنها سقى مزارعهم والماء بالبصرة ضيق لأنه يحمل في السفن من
                            الأبلة
                    
                    
                        34.96632866849093 43.763668531650715
                    
                    
                        Attestation of name دجلة
                            in the Muʿjam al-buldān of
                                Yāqūt al-Ḥamawī.
                        
                    
                    
                        Attestation of name دجلة
                            in the Kitāb al-buldān of
                                Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī.
                        
                    
                    
                    https://bqgazetteer.bethmardutho.org/place/202
                    http://syriaca.org/place/202
                    http://pleiades.stoa.org/places/912964
                    http://en.wikipedia.org/wiki/Tigris
                    http://dbpedia.org/resource/Tigris
                    
                        http://www.csc.org.il/db/browse.aspx?db=SB&sL=T&sK=Tigris&sT=keywords 
                    
                        The Gorgias Encyclopedic Dictionary of the
                            Syriac Heritage
                        
                        10, 18, 20, 21, 30, 50–51, 52, 71, 72, 215, 242, 244,
                            262, 294, 300, 303, 308, 365, 395, 415, 419
                        Map I C2, II C2, III, IV
                    
                    
                        ܒܪ̈ܘܠܐ ܒܕܝܪ̈ܐ ܕܥܠ ܡܪܕܘܬ ܝܘܠܦܢ̈ܐ ܣܘܪ̈ܝܝܐ ܗܕܝܪ̈ܐ
                        
                        536
                    
                    
                        كتاب اللؤلؤ المنثور في تاريخ العلوم والأداب
                            السريانية
                        
                        504
                    
                    
                        The Scattered Pearls: A History of Syriac
                            Literature and Sciences
                        
                        551
                    
                    
                        The Comprehensive Bibliography on Syriac
                            Christianity
                        
                        Tigris
                    
                    
                        Muʿjam al-buldān
                        Yāqūt al-Ḥamawī
                        
                        II502
                    
                    
                        Kitāb al-buldān
                        Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī
                        
                        236
                    
                    
                        Aḥsan al-taqāsīm fī maʿrifat
                            al-aqālīm
                        Muḥammad ibn Aḥmad Maqdisī
                        
                        129
                    
                    
                        Riḥlat Ibn Jubayr
                        Ibn Jubayr
                        M.J. de Goeje
                        
                        216-218, 225-235
                    
                    
                        http://pleiades.stoa.org/places/912964Pleiades: A Gazetteer of Past Places Roger Bagnall Richard Talbert Tom Elliott Lindsay Holman et al.